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ira [324]
2 years ago
7

The density of a gold nugget is 19. 3 g/cm3. If the volume of the gold nugget is 0. 00369 l, the mass of the nugget is ________

g.
SAT
1 answer:
marusya05 [52]2 years ago
4 0

The mass of the gold nugget is 71.22 g.

<h3>What is mass?</h3>

This can be defined as the quantity of matter a body contains. The S.I unit of mass is kilogram (kg)

To calculate the mass of the gold, we use the formula below.

Formula:

  • m = Dv.............. Equation 1

Where:

  • D = Density of the gold
  • m = mass of the gold
  • v = volume of the gold

From the question,

Given:

  • D = 19.3 g/cm³
  • v = 0.00369 L

To convert v from L to cm³, we multiply by 1000.

Therefore,

  • v = (0.00369×1000) = 3.69 cm³

Substitute these values into equation 1

  • m = 19.3×3.69
  • m = 71.217 g
  • m ≈ 71.22 g

Hence, The mass of the gold nugget is 71.22 g

Learn more about mass here: brainly.com/question/728465


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Answer:

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Explanation:

Probability describes the likelihood of an event. To find simple probability, like in this question, use division.

To find the probability of the first question being a free response, you first need to find the total number of questions. This can be done by adding together all of the given information. There are 10 multiple choice, 3 essays, and 9 free responses.

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This means that there are 22 total questions. Next, find how many of these questions are free-response. We know that there are 9 free responses and 22 questions in total. So, 9 out of 22 are free responses. This can be rewritten as 9/22.

If you want to find the percentage, simplify the fraction and convert it to a percentage.

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VARVARA [1.3K]

The code chunk that lets the analyst create the phone_number column is: unite(customers, "phone_number", area_code, phone_num, sep="-"

<h3>What is a data frame?</h3>

A data frame refers to a two-dimensional array-like structure or table that is made up of rows and columns, which is typically used for storing data in R Studio using the R programming language.

In Computer programming, a data frame is a list of vectors that are all equal in length, and each column consist of values of one variable while each row consist of a set of values from each column.

<h3>The executable code in R Studio.</h3>

In this scenario, the code chunk that would be used to create a data frame that combines the two columns into a single column (phone_number) is:

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Read more on data frame here: brainly.com/question/25558534

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